"combat challenges" is correct and usable in written English.
You can use it to refer to difficult obstacles or tasks that must be confronted, especially in a metaphorical sense. For example, "He faced numerous combat challenges on the long journey to success."
Here-for-the-story purists currently sweating over the combat challenges ahead, fret not.
In too many communities, people are fighting uphill battles to combat challenges and aspire to a better life.
Now if that is not complicated enough many our brave and deserving of only the best veterans have combat challenges due to the past 15 years of war.
ICANN is an international group that facilitates multi-stakeholder Internet governance, and it is in a strong position to take the Internet to its next stage of growth and combat challenges by those who would seek to censor the Internet or exert more government control over content.
Here, various nanomaterials offer opportunities for triggered functionalites to combat challenging infections.
New ships have also been added to provide a thrilling and intense naval combat challenge, including new, giant Man-of-Wars.
The survival horror genre is also known for other non-combat challenges, such as solving puzzles at certain locations in the game world, and collecting and managing an inventory of items.
Non-combat challenges are usually handled by skill checks.
And it will need to be, to combat the challenges ahead – to contest the "lifters and leaners" paradigm, to continue to challenge the negative and limiting view of disability, to ensure that the NDIS delivers real change, to continue to use the DDA to challenge systemic discrimination, and to lobby for a jobs plan for people with disabilities.
He also invoked her foreign policy experience to combat US challenges across the globe.
